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Latitude: 39.82º N | Longitude: 120.44º W | Elevation: 4850 Feet | |
Location: Plumas County in California | River Group: Lower Sacramento |
Monitor Stage: 4851.0 Feet | Flood Stage: 4852.5 Feet |
Observed Data Credit | |
![]() | Raw streamflow data is provided by the California Department of Water Resources. |
Historical Stage/Flow Data |
|||
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
Most Recent 5 Years | |||
2021* | 153 | 4846.62 | Feb 14, 2021 |
2020* |
403 | 4847.60 |
Apr 9, 2020 |
2019* |
5,650 |
9.50 |
Mar 1, 2019 |
2018* |
6,110 |
9.76 |
Mar 23, 2018 |
2017* |
12,700 |
12.61 |
Feb 10, 2017 |
Historical High Stage/Flow Events (Period of Record - Oct 1968 to 1980 and 2007 to Present) - Ranked by Flow | |||
2017* |
12,700 |
12.61 |
Feb 10, 2017 |
1969* |
7,640 |
10.18** |
Jan 21, 1969 |
1971* |
6,580 |
9.64** |
Mar 27, 1971
|
1980* |
5,690 |
9.42** |
Jan 14, 1980 |
2019* |
5,650 |
9.50 |
Mar 1, 2019 |
1970* | 4,970 | 8.81** | Jan 25, 1970 |
2011* | 4,851 | 9.03 | Mar 17, 2011 |
* Discharge affected to unknown degree by regulation or diversion | |||
** Peak stage and flow courtesy of USGS. | |||
*** Datum changed from Local to NAVD88 on 10/01/2019. The difference is +4843.6 ft and must be applied to all data before date to convert to NAVD88 |
Location Photographs | ||
ESRI™ Locator Map |
Official 7 Day National Weather Service Forecast (CAZ071) |
Today: Mostly cloudy with a slight chance of snow showers in the morning, then sunny in the afternoon. Highs 40 to 50. West winds 15 to 25 mph with gusts up to 40 mph. Tonight: Clear in the evening then becoming partly cloudy. Lows 20 to 30. West winds around 10 mph shifting to the east after midnight. Tuesday: Snow showers likely. Snow accumulation of 1 to 4 inches. Highs 38 to 48. East winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Gusts up to 35 mph. Tuesday Night: Cloudy. Chance of showers in the evening, then chance of snow showers after midnight. Lows 22 to 32. Northeast winds 10 to 15 mph with gusts up to 30 mph shifting to the west after midnight. Wednesday: Mostly cloudy. Chance of showers. Highs 39 to 49. West winds 10 to 15 mph. Wednesday Night: Mostly cloudy. Slight chance of showers. Lows 23 to 33. Thursday and Thursday Night: Mostly cloudy with a chance of showers. Highs 42 to 52. Lows 21 to 31. Friday and Friday Night: Mostly cloudy with a chance of snow showers. Highs 37 to 47. Lows 13 to 23. Saturday through Sunday: Partly cloudy with a chance of snow showers. Highs 37 to 47. Lows 13 to 23. |
Impacts - E19 Information | |
4851.0 Feet | Monitor Stage. Some areas of very minor out of bank flow between Beckwourth and Clio. |
4852.0 Feet | Limited minor lowland flooding between Beckwourth and Clio. Potential for road impacts near Clio with large contribution from tributary creeks. |
4852.5 Feet | Flood stage. Minor flooding of lowlands, rural roads, agricultural areas, and some low structures between Beckwourth and Clio. In Portola, water nearing lowest lying businesses along Highway 70 on west edge of Portola. The south end of West Street in Portola floods. Portions of Highway 89 near Clio may begin to flood. Potential for greater impacts in the lower portion of the reach with large contribution from tributary creeks. Similar level to March 17, 2011. |
4853.0 Feet | Minor flooding of lowlands, roads, and low-lying structures between Beckwourth to Clio. In Portola the lowest lying buildings and businesses on Highway 70 may begin to experience some minor flooding. Water along West Street nearing lowest homes along river. Highway 89 near Clio likely flooded. Potential for greater impacts in the lower portion of the reach with large contribution from tributary creeks. Similar level to 3/23/2018. |
4853.5 Feet | Flooding of lowlands, structures, and roads from Beckwourth to Clio. Several low lying structures along river in Portola flood. Evacuation of homes on south end of West Street may be necessary. Highway 89 near Clio likely flooded. Impacts below Portola influenced by magnitude of tributary flows, especially Sulphur Creek. Similar level to 1/9/2017. |
4854.0 Feet | Moderate flooding of lowlands, roads, homes, businesses and structures along river from Beckwourth to Clio. Lowest homes on West Street begin to flood. Impacts below Portola influenced by magnitude of tributary flows, especially Sulphur Creek. Similar level to February 22nd, 2017, and slightly exceeding flooding of 1/9/2017. |
4854.5 Feet | Moderate flooding of businesses, homes, structures, and roads, including Highway 89 near Clio, portions of Highway 70, and low lying homes from Beckwourth to Clio. Impacts below Portola influenced by magnitude of tributary flows, especially Sulphur Creek. |
4855.5 Feet | Major disruptions to transportation with significant impacts to homes and businesses between Beckworth and Clio. Approaching levels of February 9, 2017. Potential for rapid rises and major impacts from tributary streams. Impacts below Portola influenced by magnitude of tributary flows, especially Sulphur Creek. Tributary impacts may significantly proceed main-stem peak flows. |
4856.5 Feet | Major to near record flooding. Major damages to transportation, homes and businesses. Similar to January 1997, and in excess of February 9, 2017. Potential for rapid rises and major impacts from tributary streams. Tributary impacts may significantly proceed main-stem peak flows. |
Product Disclaimer |
This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Reno Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only. |